From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 21 Sep 2001 16:12:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 21 Sep 2001 16:12:19 -0400 Received: from islay.mach.uni-karlsruhe.de ([129.13.162.92]:4282 "EHLO mailout.plan9.de") by vger.kernel.org with ESMTP id ; Fri, 21 Sep 2001 16:12:05 -0400 Date: Fri, 21 Sep 2001 22:12:25 +0200 From: To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Significant performace improvements on reiserfs systems, kupdated bugfixes Message-ID: <20010921221225.A22402@schmorp.de> Mail-Followup-To: linux-kernel@vger.kernel.org In-Reply-To: <20010920101544.A14526@turbolinux.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Operating-System: Linux version 2.4.8-ac9 (root@cerebro) (gcc version 3.0.1) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 21, 2001 at 12:22:59AM +0800, Beau Kuiper wrote: > Also, it is nicer behaviour not to write out to disk before the time > indicated in the bdflush tuning structure. It allows sys admins to better > tune the overal performace of a system. (unless the kernel need s more > free memory) A contiguous write doesn't cost anything much, so it could be major win if the kernel could flush dirty buffers that are behind and after the dirty block to be written. But this would nicely conflict with allocate-on-flush ;) -- -----==- | ----==-- _ | ---==---(_)__ __ ____ __ Marc Lehmann +-- --==---/ / _ \/ // /\ \/ / pcg@goof.com |e| -=====/_/_//_/\_,_/ /_/\_\ XX11-RIPE --+ The choice of a GNU generation | |